C Program to Sort a String in Alphabetical Order

In this tutorial you will learn about the C Program to Sort a String in Alphabetical Order and its application with practical example.

In this tutorial, we will learn to create a C program that will Sort a String in Alphabetical Order in C programming.

Table Of Contents−

Prerequisites

Before starting with this tutorial we assume that you are best aware of the following C programming topics:

Operators in C Programming.
Basic Input and Output function in C Programming.
Basic C programming.

Concepts of for loop.
Using String functions of c language.

Sort a String in Alphabetical Order

As we all know the String is a collection of character data types. In strings, only one variable is declared which can store multiple values. First will take the string from the user. Then will check the number of elements of the string. Now we will arrange that string in alphabetical order.

With the help of this program, we can Sort a String in Alphabetical Order

Algorithm:-

1. Declaring the variables for the program.

2. Add a sting to the variable

3. Print the given string.

4. Now pass thatstring to for loop for sorting

5. Printing the result string.

6. End

1. Declaring the variables for the program.

2. Add a sting to the variable

3. Print the given string.

4. Now pass thatstring to for loop for sorting

5. Printing the result string.

6. End

Program to Sort a String in Alphabetical Order:-

#include <stdio.h>
#include <string.h>
//including header files in the program
int main ()
{
   //declaring variables required for the program
   char string[] = "w3adda";
   char flag;
   int i, j;
   
   //calculating string size 
   int n = strlen(string);
   
   //sting before sorting
   printf("String before sorting - %s \n", string);
   
   //for loop for sorting 
   for (i = 0; i < n-1; i++) {
      for (j = i+1; j < n; j++) {
         if (string[i] > string[j]) {
            flag = string[i];
            string[i] = string[j];
            string[j] = flag;
         }
      }
   }
   //printing output in alpfabetical order 
   printf("String after sorting  - %s \n", string);
   return 0;
}

#include <stdio.h>

#include <string.h>

//including header files in the program

int main ()

{

//declaring variables required for the program

char string[] = "w3adda";

char flag;

int i, j;

//calculating string size

int n = strlen(string);

//sting before sorting

printf("String before sorting - %s \n", string);

//for loop for sorting

for (i = 0; i < n-1; i++) {

for (j = i+1; j < n; j++) {

if (string[i] > string[j]) {

flag = string[i];

string[i] = string[j];

string[j] = flag;

}

//printing output in alpfabetical order

printf("String after sorting - %s \n", string);

return 0;

}

Output:-

In the above program, we have first initialized the required variable.

string1[] = it will hold the string value.
flag = it will hold the temporary value.

i = it will hold the integer value for the loop.
j = it will hold the integer value for the loop.
n = it will hold the size of the string.

Including the required header files.

Taking Input string.

Printing before the alphabetical order.

Printing a String in Alphabetical Order.

Program Code for arranging.

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C Program to Sort a String in Alphabetical Order